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Master the JavaScript Interview
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Master the JavaScript interview with expertly curated questions and solutions. Strategies developed by FAANG engineers help you prep faster, boost confidence, and refine your problem-solving skills.

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Overview

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Master the JavaScript interview by practicing 20 carefully curated interview questions and solutions. These problems will provide the tools you need to tackle any question you find in an interview. Allow ~1 hour per question. Most questions have multiple solutions presented. All solutions are thoroughly explained and time and space complexity are discussed. A passing familiarity with these ideas is expected. You'll learn how to tackle different types of problems so you can proceed with confidence in your interviews. These questions go beyond the common problems that we've all seen. FizzBuzz and bubble sort? We start past those. We'll discuss how to refine algorithms. We'll go over clever, advanced ways of manipulating data that interviewers are looking for. You'll walk away more skilled and confident in your problem solving and interviewing abilities. This course is taught in ES2015.

Master the JavaScript interview by practicing 20 carefully curated interview questions and solutions. These problems will provid...Show More

Content

22 Lessons51 Challenges

Introduction

1 Lessons

Get familiar with problem-solving strategies and optimizing algorithms for JavaScript interviews.

Welcome

Strings & Arrays

5 Lessons

Unpack the core of optimizing string manipulations and array handling for efficient coding.

Advanced Strings & Arrays

6 Lessons

Examine functions to handle array subsets, max profits, single mutations, anagrams, and matrix rotations.

Rotate Matrix, Advanced

Algorithms & Data Structures

5 Lessons

Break down complex ideas in algorithms and data structures for interview success.

Sorted Search

Balanced Brackets

Creating a Queue with O(1) Operations

Creating a Queue with Limited Data Structures

Linked List Cycles

JavaScript Mastery

4 Lessons

Deepen your knowledge of deep equality checks, memoization, function binding, and versatile functions in JavaScript.

Conclusion

1 Lessons

Investigate further by stepping up your skills and tackling advanced JavaScript.

Congratulations

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Arnav Aggarwal

Developed by MAANG Engineers

Every Educative resource is designed by our team of ex-MAANG software engineers and PhD computer science educators — subject matter experts who’ve shipped production code at scale and taught the theory behind it. The goal is to get you hands-on with the skills you need to stay ahead in today's constantly evolving tech landscape. No videos, no fluff — just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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Software Developer

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Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

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Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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